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| Commodity | 2005 | 2006 | 2007 | 2008 | 2009 | 2010 | 2011 |
| Sodium metasilicates | $117,310 | $134,377 | $106,210 | $69,999 | $26,250 | $18,860 | $22,501 |
| Silicates of sodium other than sodiummetasilicates | $151,781 | $271,982 | $185,393 | $204,887 | $93,154 | $115,702 | $136,484 |
| Potsssium silicates | $298 | $10,675 | | | | | |
| Silicates other than of sodium/potassium; commercial alkali metal silicates ... | $4,947 | $66,248 | $63,424 | $36,383 | $59,110 | $58,161 | $36,233 |
| Total | $274,336 | $483,282 | $355,027 | $311,269 | $178,514 | $192,723 | $195,218 |
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